发明名称 |
Nuclear reactor shutdown system |
摘要 |
To provide a reactor shutdown system (47) that can shut down a reactor (5) by various means in an event of a malfunction in a nuclear facility.
A reactor shutdown system (47) that stops nuclear reaction in a reactor (5) in the event of a malfunction in a nuclear facility that includes a reactor (5), a control-rod drive unit (17) that can drive a control rod (16) in pulling and inserting directions with respect to a fuel assembly (15), a power source (31) that can supply power to the control-rod drive unit (17), and a power converter (32) that is provided between the control-rod drive unit (17) and the power source (31), in which when power supply is cut off, the control-rod drive unit (17) inserts the control rod (16) into the fuel assembly (15) to stop nuclear reaction in the reactor (5), and the reactor shutdown system (47) includes a reactor trip breaker (45) provided between the power converter (32) and the control-rod drive unit (17), a safety protection-system device (43) that controls the reactor trip breaker (45) to cut off power supply to the control-rod drive unit (17), and an auxiliary stop-control (CCF) device (44) that controls the power converter (32) to cut off power supply to the control-rod drive unit (17). |
申请公布号 |
EP2463864(A2) |
申请公布日期 |
2012.06.13 |
申请号 |
EP20110192098 |
申请日期 |
2011.12.06 |
申请人 |
MITSUBISHI HEAVY INDUSTRIES, LTD.;MITSUBISHI ELECTRIC CORPORATION |
发明人 |
FUJIMOTO, HIROSHI;SHINOHARA, HIRONOBU;AKIZUKI, YASUTAKE;FUKUI, TOSHIKI;TANAKA, YUICHI;KIUCHI, SHINJI;SHIRASAWA, HIROSHI;MATSUMURA, TOSHIAKI |
分类号 |
G21C7/08;G21C7/12;G21C7/36;G21C9/02;G21C9/027;G21D3/06 |
主分类号 |
G21C7/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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